Since his first No. 1 single recorded by Don Williams back in 1984, Nicholson’s been churning out country music hits for everyone from George Strait, Garth Brooks, and Trisha Yearwood to Robert Plant, Etta James, and Ringo Starr.

Out of all these people that you’ve worked with, including Ringo Starr, who were the greatest performers?

As far as the excitement level of writing with somebody, I think it was really exciting to write with Ringo just because you’re in the room with a Beatle. It’s hard to get past the fact that he’s a Beatle.

"John was the best. I loved John. He was fine singer, a fine musician and he was a fine friend." -Ringo“He's (Ringo) every bloody bit as warm, unassuming, funny, and kind as he seems. He was quite simply the heart of the Beatles.” – John